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23-09-2019

Product code Geography-Quizlet952

1Q-In what year did the North American Pacific herring fishery collapse?
W)2990
X)1993
Y)1995
Z)2000

2Q-What 1979 Act gave the EPA the power to monitor and regulate the disposal of sewage sludge, industrial waste, radioactive waste and biohazardous materials into the nation's territorial waters?
W)Oil Ocean Act
X)Anti-Debris Act
Y)Debris Reduction Act
Z)Ocean Dumping Act

3Q-What United Nations conference, also known as the Earth Summit, led to the agreement to protect the biodiversity on Earth?
W)United Nations Conference on Trade and Development
X)United Nations Conference on Environment and Development
Y)United Nations Conference on the Human Environment
Z)Habitat International Coalition Conference

4Q-This national marine sanctuary, sometimes called The Galapagos of California, is home to kelp forests, sea lions and blue whales.
W)Stellwagen Bank
X)Channel Islands
Y)Monterey Bay
Z)Olympic Coast

5Q-Which landmass straddles a mid-ocean ridge?
W)Madagascar 
X)Iceland
Y)Greenland
Z)Australia

6Q-Which country has a coastline with a major area?
W)Namibia
X)Australia
Y)Peru
Z)Norway

7Q-Which continent does NOT border the Indian Ocean?
W)Africa
X)Asia
Y)North America
Z)Australia

8Q-Which landmass straddles a mid-ocean ridge?
W)Madagascar
X)Iceland
Y)Greenland
Z)Australia

9Q-Which region is known by the nickname "Pirate Alley" due to the large amount of pirate activity in the area?
W)Yellow Sea
X)Arabian Sea
Y)Okhotsk Sea
Z)Gulf of Aden

10Q-Which of the following is a characteristic of an estuarine turbidity maximum?
W)Increased flocculation
X)Low suspended sediment concentrations
Y)Kelvin waves
Z)Temperature change

11Q-When traveling down the water column which will dissolve first?
W)A shell composed of aragonite
X)A shell composed of calcite
Y)Neither will disolve
Z)A shell composed of calcium carbonate

12Q-What chemical is the principle source of energy at many of Earth's hydrothermal vent systems?
W)Oxygen
X)Carbon dioxide
Y)Hydrogen Sulfide 
Z)Iron Oxide

13Q-What are the two forms of calcium carbonate precipitated by living organisms?
W)Calcite and aragonite
X)Hematite and bauxite 
Y)Calcite and Silicate 
Z)Nacrite and feldspar

14Q-When traveling down the water column which will dissolve first?
W)A shell composed of aragonite
X)A shell composed of calcite
Y) Neither will dissolve
Z)A shell composed of calcium carbonate

15Q-Which of the following are NOT impacted by the decreasing pH levels of ocean water, termed ocean acidification?
W)Growth rates of coral reefs
X)Mollusk shells
Y)Diatom shells
Z)Shark's teeth

16Q-What chemical is the principle source of energy at many of Earth's hydrothermal vent systems?
W)Oxygen
X)Carbon dioxide
Y)Hiydrogen Sulfide
Z)Iron Oxide

17Q-Together, sodium and chloride alone comprise approximately what percent of the total salts in the ocean?
W)100
X)90
Y)50
Z)10

18Q-Which of these is NOT considered a major ion in seawater?
W)Sodium 
X)Magnesium
Y)Nitrate
Z)Chloride

19Q-Salinity has historically been measured by determining the amount of following elements in the water?
W)Sodium
X)Chloride
Y)Magnesium
Z)Sulfate

20Q-What is the primary cause of ocean acidification?
W)Increased coastal pollution
X)Ships dumping waste batteries
Y)Increased carbon dioxide in the atmosphere
Z)Phytoplankton fecal pellets

21Q-What cycle refers to the movement of water through reservoirs?
W)Watershed cycle
X)Hydrologic cycle
Y)Water life cycle
Z)Oceanographic cycle

22Q-An XBT is an oceanographic instrument that measures which of the following parameters?
W)Salinity
X)Oxygen
Y)Iron
Z)Temperature

23Q-A box corer is used for collecting samples of what?
W)Sediment
X)Fish
Y)Water
Z) Plankton

24Q-When calculating a position fix, a GPS receiver solves for four position variables: longitude, latitude, height and what other variable?
W) Satellite speed
X)Receiver speed
Y)Receiver time drift
Z)Satellite time drift

25Q-The first reliable measurement of the average depth of an ocean was made by which method?
W)Timing the speed of earthquake-generated waves in the Pacific
X)Repeatedly lowering a lead line or sounding line in Antartica
Y)Using acoustic depth sounders in the Atlantic
Z)Collecting deep sea sediments from multiple sites in the Arctic

26Q-Which of the following is NOT an example of human-made structure designed to stabilize the shoreline?
W)Jetty
X)Pier
Y_Groin
Z)Breakwater

27Q-In 1933, the US tanker Ramapo encountered the highest wave ever measured reliably. How tall was this wave?
W)12 meters
X)23 meters
Y)34 meters
Z)45 meters

28Q-How often have men descended to the Challenger Deep?
W)Never
X)Once
Y)Twice 
Z)Three times

29Q-This word originates from the Norse word for piracy:
W)Sailor
X)Viking
Y)Knarr
Z)Leif

30Q-In 2006, which expedition led by the grandson of Thor Heyerdahl (Higher-doll), replicated the 1947 Kon Tiki voyage
W)Thor Tiki
X)Nordic Voyage
Y)Equatorial expedition
Z)Tangaroa expedition

31Q-What is the point on the surface of the Earth that is directly above an earthquake called?
W)focus
X)hypocenter
Y)hypercenter 
Z)epicentre

32Q-Which of the following is NOT an example of a metamorphic rock?
W)Gneiss
X)Schist
Y)Marble
Z)Basalt

33Q-Defined as mass per unit volume, what property is a useful means of identifying minerals?
W)Relativity
X)Density
Y)Luminosity 
Z)Heat Flow

34Q-What is the approximate age of the oldest oceanic crust?
W)100 thousand years
X)1 million years
Y)50 million years 
Z)180 million years

35Q-High tidal range coastlines do NOT feature:
W)Large tidal flats
X)Broad marshes 
Y) Amphidromic points
Z)Strong currents

36Q-The dominant process shaping coastal topography is which of the following?
W)Ice push
X)Seismic disturbances
Y)Turbidity currents
Z)Wave action

37Q-Which of the following is NOT a predominant characteristic of subtropical regions?
W)Weak winds
X)Weak surface currents 
Y)Clear skies with abundant sunshine
Z)Stormy weather with high winds

38Q-What does the term sigma-t define?
W)The specific gravity of sea water
X)The density anormaly of sea water
Y)The density of sea water 
Z)The statistical variation in the density of sea water

39Q-What part of a tidal cycle has minimal current?
W)Ebb tide 
X)Slack tide
Y)Flood tide
Z)Lunar tide

40Q-Stokes Law states that the sinking velocity of a particle depends on which of the following factors?
W)Whether the particle is phytoplankton or detritus
X)The stratification of the water column
Y)The intensity of wave action at the surface
Z)the size and density of the particle

41Q-What is the term that describes the height of a wave above the mean
W)Wave amplitude 
X)Wave height
Y)Wavelength
Z)Wave Period

42Q-Which of the following does NOT influence sea surface salinity?
W)precipitation
X)air pressure
Y)evaporation
Z)runoff from land

43Q-Which of the following is NOT used to calculate the density of water?
W)Salinity 
X)Oxygen content
Y)Pressure
Z)Temperature

44Q-What is a tornado over the ocean called?
W)Sea tornado
X)Water tornado
Y)Waterspout
Z)hurricane

45Q-How are tsunamis primarily formed?
W)Strong winds pushing water up against the land 
X)Movement of the seafloor displacing large volumes of water
Y)Landslides entering the ocean from nearby steep slopes on land
Z)Sudden melting for ice

46Q-Which of the following is NOT a predominant characteristic of subtropical oceans?
W)Weak wind
X)Weak surface currents 
Y)Clear skies with abundant sunshine
Z)Stormy weather with high winds

47Q-Lophelia (LO-fee-lee-ua) coral reefs in the North Atlantic are being primarily damaged by:
W)Rising temperature
X)Trawling
Y)Cyanide poisoning
Z)Pfiesteria

48Q-What plant did the Integrated Ocean Drilling Program discover that lived in the Arctic ocean 50 million years ago?
W)freshwater ferns
X)gingko trees
Y)prickly pear cacti 
Z)cat tails

49Q-Which of the following fish species is jawless?
W)Hagfish
X)Monkfish
Y)Yellowtail flounder
Z)Mackerel

50Q-What do Cnidarian (nih-dare-E-ans) release as a defense mechanism?
W)Statocysts
X)Otoliths
Y)Niematocysts
Z)Spicules (spic-U-ulhs)

51Q-Which of the following is an example of nekton?
W)Plankton
X)Barnacles
Y)Sipunculid worms
Z)Sea turtles

52Q-Northern elephant seals come ashore during the spring and summer to do what?
W)Mate
X)Give birth
Y)Eat
Z)Molt their fur

53Q-Intensive aquaculture of which of the following organisms has contributed to loss of mangroves around the world?
W)Tilapia
X)Cod
Y)Shrimp
Z)Salmon

54Q-Seals have a variety of adaptations for deep dives. To avoid nitrogen narcosis, which adaptation is most helpful?
W)ATP production by fermentation rather than respiration 
X)Exhaling at the start of the dive and collapsing the lungs
Y)Reliance upon stored oxygen in blood and muscles
Z)Re-routing blood flow to where it is most needed

55Q-Which of the following is NOT believed to be a major cause of the declining salmon populations in the Pacific Northwest?
W)overfishing
X)habitat alteration 
Y)increased temperatures
Z)dam removal

56Q-Which of the following is an important predator of the sea urchin?
W)Harbor seal
X)Sea Otter
Y)Giant Pacific octopus
Z)Mola Mola

57Q-Which of the following marine mammals is NOT found in or near Antartica?
W)Polar bears
X)Emperor penguins
Y)Leopard seals
Z)Killer whales

58Q-Approximately how many teeth can a shark lose and replace in its lifetime?
W)1.000.000
X)30.000
Y)1.000
Z)100

59Q-The habitat of blue whales, tunas and swordfishes is best described as 
W)Benthic
X)Littoral
Y)Estuarine
Z)Pelagic

60Q-What is the main component of a shark skeleton?
W)Cartilage
X)Bone
Y)Dentine
Z)Chiton

 

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1Q-In what year did the North American Pacific herring fishery collapse? W)2990 X)1993 Y)1995 Z)2000 1A-X

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